Ever wonder what a dog looks like in the infrared? How about a tiger or a gecko? Now you can find out by visiting the Infrared Zoo on Cool Cosmos, Spitzer's Education and Public Outreach website.
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Astronomers are a bit like archeologists as they dig back through space and time searching for remnants of the early universe. In a recent deep excavation, courtesy of NASA's Spitzer Space Telescope, astronomers have unearthed what may be the most distant, primitive cluster of galaxies ever found.
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Astronomers have their eyes on a hot group of young stars, watching their every move like the paparazzi. A new infrared image from NASA's Spitzer Space Telescope shows the bustling star-making colony of the Orion nebula, situated in the hunter's sword of the famous constellation.
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